ago/ago.py
russellballestrini e5a4850368 release 0.0.8
user: russellballestrini
branch 'default'
changed README.rst
changed ago.py
changed setup.py
2016-07-10 14:34:28 -04:00

50 lines
1.6 KiB
Python

from datetime import (
datetime,
timedelta,
)
def delta2dict( delta ):
"""Accepts a delta, returns a dictionary of units"""
delta = abs( delta )
return {
'year' : int(delta.days / 365),
'day' : int(delta.days % 365),
'hour' : int(delta.seconds / 3600),
'minute' : int(delta.seconds / 60) % 60,
'second' : delta.seconds % 60,
'microsecond' : delta.microseconds
}
def human(dt, precision=2, past_tense='{} ago', future_tense='in {}', abbreviate=False):
"""Accept a datetime or timedelta, return a human readable delta string."""
# if dt is a datetime object, get a timedelta object from it.
delta = dt
if type(dt) is not type(timedelta()):
dt_no_tz = dt.replace(tzinfo=None)
delta = datetime.now() - dt_no_tz
# determine if the_tense is past_tense or future_tense.
the_tense = past_tense
if delta < timedelta(0):
the_tense = future_tense
d = delta2dict( delta )
hlist = []
count = 0
units = ( 'year', 'day', 'hour', 'minute', 'second', 'microsecond' )
# start building up the output in the hlist.
for unit in units:
if count >= precision: break # met precision
if d[ unit ] == 0: continue # skip 0's
if abbreviate:
abr = 'ms' if unit == 'microsecond' else unit[0]
hlist.append('{}{}'.format(d[unit], abr))
else:
s = '' if d[ unit ] == 1 else 's' # handle plurals
hlist.append('{} {}{}'.format(d[unit], unit, s))
count += 1
return the_tense.format(', '.join(hlist))